Chinese automaker BYD is in trouble. It swapped the front and rear tires on its SUV.

Some BYD Da Tang vehicles have wider tires on the front and narrower ones on the rear. The automaker will provide free repairs and restore the warranty for owners.

Wider tires installed on the front axle

Owners of the BYD Da Tang electric SUV discovered an error in wheel installation. The tires intended for the front and rear axles were swapped on some vehicles. The automaker confirmed the mistake and apologized to customers on November 11.

The affected models use wider tires and rims on the rear. The rim diameter is the same on both axles, but the width differs by one inch, or 25.4 mm. They look very similar at first glance.

The tires remained on their respective axles. However, the front tires, which are 255 mm wide, were mounted on the wider rims meant for the rear. Conversely, the rear tires, which are 275 mm wide, were fitted with the narrower front rims.

Correction

Correct installation

Incorrect installation

Front

Tire rim 20×8J, tire 255/50 R20

Tire rim 20×9J, tire 255/50 R20

Rear

Tire rim 20×9J, tire 275/45 R20

Tire rim 20×8J, tire 275/45 R20

Owners’ reports concern vehicles with 20-inch wheels at the rear. BYD has not disclosed the number of affected vehicles or specific production batches.

The error originated with the supplier

According to the automaker, the mistake was caused by incorrect code entries provided by the supplier, Hubei Boyu Industrial, for the wheel sub-assemblies. The erroneous data then affected the assembly of some vehicles.

The coding issue has been corrected. The supplier has also added visual inspection to the production line to prevent similar mistakes.

BYD states that it conducted special tests. Based on their results, the incorrect installation does not affect handling performance and poses no safety risk while driving.

Free repair and warranty from the start

The car manufacturer will invite affected owners to a local service center for a free inspection and professional repair of the tires. During the repair period, they will provide a replacement vehicle or cover transportation costs.

The compensation also includes extending the warranty on the entire vehicle. For cars with incorrectly installed tires, the warranty period restarts on November 11, 2026.

Sources:

Original text / Elektrickevozy.cz

CarNewsChina

BYD / Sina

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